Unauthenticated PHP Object Injection in Advice

Executive Summary

This is an unauthenticated PHP Object Injection vulnerability in the WordPress Advice Theme versions up to 1.18.0. It allows attackers to inject malicious PHP objects without authentication, potentially leading to code execution, SQL injection, or other attacks if a suitable POP chain exists.

Useful 0 Not Useful 0

Detection Guidance

Detecting this vulnerability requires checking if the Advice WordPress theme version 1.18.0 or older is installed. Inspect your WordPress dashboard under Appearance > Themes for the theme version. Alternatively, check server files for the theme directory, typically located in /wp-content/themes/advice/. Look for version details in style.css or other theme files.

Useful 0 Not Useful 0

Impact Analysis

This vulnerability can allow attackers to execute arbitrary code, manipulate databases, access sensitive files, or disrupt services on your website. Since it requires no authentication, any malicious actor can exploit it, potentially leading to full site compromise or data theft.

Useful 0 Not Useful 0

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Non-compliance may result in legal penalties, fines, or reputational damage due to potential data breaches.

Useful 0 Not Useful 0

Mitigation Strategies

Immediately update the Advice theme if a patch becomes available. If no update exists, apply Patchstack's temporary mitigation rule to block attacks. Contact your hosting provider or web developer for assistance. Remove unused themes and plugins to reduce attack surfaces. Monitor for suspicious activity or unauthorized access.

Useful 0 Not Useful 0